<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .addBtn{
            margin-top:10px;
        }
        #tb{
            width:300px;
            margin-top:10px;
        }
    </style>
    <link rel="stylesheet" href="/css/bootstrap.min.css">
</head>
<body style="margin:30px;">
    <label for="">姓名:<input type="text" class="userName"></label><br>
    <label for="">年龄:<input type="text" class="userAge"></label><br>
    <button type="button"class="addBtn">添加</button>
    <table class="table table-hover"id="tb">
        <thead>
            <tr>
                <th>序号</th>
                <th>姓名</th>
                <th>年龄</th>
                <th>操作</th>
            </tr>
        </thead>
        <tbody>
        
        </tbody>
    </table>
    <script src="/js/jquery-3.2.1.min.js"></script>
    <script src="/js/bootstrap.min.js"></script>
    <script src="/index.js"></script>
</body>
</html>